Emissive Power in Heat and Mass Transfer Formulas

Emissive Power is the energy of thermal radiation emitted in all directions per unit time from each unit area of a surface at any given temperature. And is denoted by E. Emissive Power is usually measured using the Watt per Square Meter for Heat Flux Density. Note that the value of Emissive Power is always positive.

Heat and Mass Transfer formulas that make use of Emissive Power

fxRadiation intensity given emissive power for diffusely emitting surfaceGo

FAQ

What is the Emissive Power?

Emissive Power is the energy of thermal radiation emitted in all directions per unit time from each unit area of a surface at any given temperature. Emissive Power is usually measured using the Watt per Square Meter for Heat Flux Density. Note that the value of Emissive Power is always positive.

Can the Emissive Power be negative?

No, the Emissive Power, measured in Heat Flux Density cannot be negative.

What unit is used to measure Emissive Power?

Emissive Power is usually measured using the Watt per Square Meter[W/m²] for Heat Flux Density. Kilowatt per Square Meter[W/m²], Watt per Square Centimeter[W/m²], Watt per Square Inch[W/m²] are the few other units in which Emissive Power can be measured.

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